2 Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
4 This file is part of libdcp.
6 libdcp is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 libdcp is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with libdcp. If not, see <http://www.gnu.org/licenses/>.
19 In addition, as a special exception, the copyright holders give
20 permission to link the code of portions of this program with the
21 OpenSSL library under certain conditions as described in each
22 individual source file, and distribute linked combinations
25 You must obey the GNU General Public License in all respects
26 for all of the code used other than OpenSSL. If you modify
27 file(s) with this exception, you may extend this exception to your
28 version of the file(s), but you are not obligated to do so. If you
29 do not wish to do so, delete this exception statement from your
30 version. If you delete this exception statement from all source
31 files in the program, then also delete it here.
45 #include "certificate.h"
47 #include "language_tag.h"
49 #include <boost/filesystem.hpp>
50 #include <boost/function.hpp>
51 #include <boost/optional.hpp>
56 struct verify_invalid_language3;
65 class CertificateChain;
70 * @brief A Composition Playlist
72 class CPL : public Asset
75 CPL (std::string annotation_text, ContentKind content_kind, Standard standard);
77 /** Construct a CPL object from a XML file */
78 explicit CPL (boost::filesystem::path file);
81 std::shared_ptr<const Asset> other,
82 EqualityOptions options,
86 /** Add a reel to this CPL
87 * @param reel Reel to add
89 void add (std::shared_ptr<Reel> reel);
91 /** Add a KDM to this CPL. If the KDM is for any of this CPLs assets it will be used
92 * to decrypt those assets.
95 void add (DecryptedKDM const &);
97 /** @return the reels in this CPL */
98 std::vector<std::shared_ptr<Reel>> reels () const {
102 /** @return the ReelFileAssets in this CPL in all reels */
103 std::vector<std::shared_ptr<const ReelFileAsset>> reel_file_assets () const;
104 std::vector<std::shared_ptr<ReelFileAsset>> reel_file_assets ();
106 /** @return true if we have any encrypted content */
107 bool any_encrypted () const;
109 /** @return true if we have all our encryptable content is encrypted */
110 bool all_encrypted () const;
112 /** Write an CompositonPlaylist XML file
114 * @param file Filename to write
115 * @param signer Signer to sign the CPL, or 0 to add no signature
118 boost::filesystem::path file,
119 std::shared_ptr<const CertificateChain>
122 void resolve_refs (std::vector<std::shared_ptr<Asset>>);
124 int64_t duration () const;
126 std::string issuer () const {
130 void set_issuer (std::string issuer) {
134 std::string creator () const {
138 void set_creator (std::string creator) {
142 void set_issue_date (std::string issue_date) {
143 _issue_date = issue_date;
146 /** @return contents of the <AnnotationText> node, if present */
147 boost::optional<std::string> annotation_text () const {
148 return _annotation_text;
151 void set_annotation_text (std::string at) {
152 _annotation_text = at;
155 /** @return contents of the <ContentTitleText> node */
156 std::string content_title_text () const {
157 return _content_title_text;
160 void set_content_title_text (std::string ct) {
161 _content_title_text = ct;
164 void set_content_kind (dcp::ContentKind k) {
168 /** @return the type of the content, used by media servers
169 * to categorise things (e.g. feature, trailer, etc.)
171 ContentKind content_kind () const {
172 return _content_kind;
175 boost::optional<ContentVersion> content_version () const;
177 std::vector<ContentVersion> content_versions () const {
178 return _content_versions;
181 void set_content_version (ContentVersion v) {
182 _content_versions.clear ();
183 _content_versions.push_back (v);
186 void set_content_versions (std::vector<ContentVersion> v);
188 std::vector<Rating> ratings () const {
192 void set_ratings (std::vector<Rating> r) {
196 boost::optional<std::string> full_content_title_text () const {
197 return _full_content_title_text;
200 void set_full_content_title_text (std::string t) {
201 _full_content_title_text = t;
204 boost::optional<std::string> full_content_title_text_language () const {
205 return _full_content_title_text_language;
208 void set_full_content_title_text_language (dcp::LanguageTag l) {
209 _full_content_title_text_language = l.to_string();
212 boost::optional<std::string> release_territory () const {
213 return _release_territory;
216 void set_release_territory (dcp::LanguageTag::RegionSubtag t) {
217 _release_territory = t.subtag();
220 boost::optional<std::string> release_territory_scope () const {
221 return _release_territory_scope;
224 boost::optional<int> version_number () const {
225 return _version_number;
228 void set_version_number (int v);
230 void unset_version_number ();
232 boost::optional<Status> status () const {
236 void set_status (Status s) {
240 boost::optional<std::string> chain () const {
244 void set_chain (std::string c) {
248 boost::optional<std::string> distributor () const {
252 void set_distributor (std::string d) {
256 boost::optional<std::string> facility () const {
260 void set_facility (std::string f) {
264 boost::optional<Luminance> luminance () const {
268 void set_luminance (Luminance l) {
272 boost::optional<std::string> main_sound_configuration () const {
273 return _main_sound_configuration;
276 void set_main_sound_configuration (std::string c) {
277 _main_sound_configuration = c;
280 boost::optional<int> main_sound_sample_rate () const {
281 return _main_sound_sample_rate;
284 void set_main_sound_sample_rate (int r) {
285 _main_sound_sample_rate = r;
288 boost::optional<dcp::Size> main_picture_stored_area () const {
289 return _main_picture_stored_area;
292 void set_main_picture_stored_area (dcp::Size s) {
293 _main_picture_stored_area = s;
296 boost::optional<dcp::Size> main_picture_active_area () const {
297 return _main_picture_active_area;
300 void set_main_picture_active_area (dcp::Size s) {
301 _main_picture_active_area = s;
304 std::vector<std::string> additional_subtitle_languages () const {
305 return _additional_subtitle_languages;
308 void set_additional_subtitle_languages (std::vector<dcp::LanguageTag> const& lang);
310 Standard standard () const {
314 static std::string static_pkl_type (Standard standard);
317 /** @return type string for PKLs for this asset */
318 std::string pkl_type (Standard standard) const override;
321 friend struct ::verify_invalid_language3;
323 void maybe_write_composition_metadata_asset (xmlpp::Element* node) const;
324 void read_composition_metadata_asset (cxml::ConstNodePtr node);
327 std::string _creator;
328 std::string _issue_date;
329 boost::optional<std::string> _annotation_text;
330 std::string _content_title_text; ///< <ContentTitleText>
331 ContentKind _content_kind; ///< <ContentKind>
332 std::vector<ContentVersion> _content_versions;
333 std::vector<Rating> _ratings;
334 /** ID for CompositionMetadataAsset tag; either a random one, ready for writing a new tag,
335 * or the one read in from the existing CPL.
337 std::string _cpl_metadata_id = make_uuid();
338 /** Human-readable name of the composition, without any metadata (i.e. no -FTR-EN-XX- etc.) */
339 boost::optional<std::string> _full_content_title_text;
340 boost::optional<std::string> _full_content_title_text_language;
341 /** This is stored and returned as a string so that we can tolerate non-RFC-5646 strings,
342 * but must be set as a dcp::LanguageTag to try to ensure that we create compliant output.
344 boost::optional<std::string> _release_territory;
345 boost::optional<std::string> _release_territory_scope;
346 boost::optional<int> _version_number;
347 boost::optional<Status> _status;
348 boost::optional<std::string> _chain;
349 boost::optional<std::string> _distributor;
350 boost::optional<std::string> _facility;
351 boost::optional<Luminance> _luminance;
352 boost::optional<std::string> _main_sound_configuration;
353 boost::optional<int> _main_sound_sample_rate;
354 boost::optional<dcp::Size> _main_picture_stored_area;
355 boost::optional<dcp::Size> _main_picture_active_area;
356 /* See note for _release_territory above */
357 std::vector<std::string> _additional_subtitle_languages;
359 std::vector<std::shared_ptr<Reel>> _reels;
361 /** Standard of CPL that was read in */